WO2017102403A1 - Dispositif démarreur équipé d'une résistance ntc pour un moteur à combustion interne - Google Patents

Dispositif démarreur équipé d'une résistance ntc pour un moteur à combustion interne Download PDF

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Publication number
WO2017102403A1
WO2017102403A1 PCT/EP2016/079744 EP2016079744W WO2017102403A1 WO 2017102403 A1 WO2017102403 A1 WO 2017102403A1 EP 2016079744 W EP2016079744 W EP 2016079744W WO 2017102403 A1 WO2017102403 A1 WO 2017102403A1
Authority
WO
WIPO (PCT)
Prior art keywords
starting device
electrically conductive
ntc
section
heat
Prior art date
Application number
PCT/EP2016/079744
Other languages
German (de)
English (en)
Inventor
Nico Weller
Harun Erismis
Jose Antonio URBANO COIN
Rene Deponte
Gerhard Braun
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN201680071288.9A priority Critical patent/CN108603479B/zh
Publication of WO2017102403A1 publication Critical patent/WO2017102403A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/067—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement the starter comprising an electro-magnetically actuated lever
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H01C1/1413—Terminals or electrodes formed on resistive elements having negative temperature coefficient
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/06—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material including means to minimise changes in resistance with changes in temperature

Definitions

  • the invention relates to a starting device for an internal combustion engine with an electric starter motor for driving a starter pinion, which is brought into engagement with a ring gear of the internal combustion engine to start them.
  • adjustable starter pinion on a driven shaft, which is driven by an electric starter motor.
  • the starter pinion is backed by an electromagnetic starter relay
  • Dislocated disengaged position in an advanced engagement position with a ring gear of the internal combustion engine Dislocated disengaged position in an advanced engagement position with a ring gear of the internal combustion engine.
  • Circuit of the starter relay is arranged.
  • the NTC resistance element which has a higher electrical resistance at low temperatures and a lower resistance with increasing temperature, it is possible to limit the starting current at the start of the internal combustion engine.
  • the current-reducing effect of the NTC resistance element the voltage drop in the vehicle electrical system can be reduced.
  • the starting device according to the invention serves to start a
  • Internal combustion engine in particular in a motor vehicle, and has as electrical actuatable devices a starter motor and a
  • Out of function position and an advanced engagement position can be adjusted with a ring gear of the internal combustion engine.
  • the starter motor rotatably drives the starter pinion meshing with the ring gear of the engine.
  • the electrical resistance decreases with increasing temperature.
  • the NTC resistance element is located on a resistor assembly which is integrated into the circuit and has an electrically insulating carrier layer and an electrically conductive layer which is applied to the carrier layer.
  • This electrically conductive layer comprises a contact portion on which the NTC resistance element is arranged.
  • the contact section of the electrically conductive layer is connected in the direction of a first connection point with an electrically conductive heat-conducting section, the NTC-resistance element is connected in the direction of a second connection side with an electrically conductive connection element. Via the first and the second terminal side, the resistor assembly is connected to line sections in the circuit.
  • the NTC resistance element which is integrated into the resistor assembly, has an increased electrical resistance when starting the engine for the first time due to the low temperature and can limit the electric current and avoid current spikes. Since the starting device is connected to the power supply of the vehicle electrical system, a voltage drop in the vehicle electrical system is reduced by means of the NTC resistance element.
  • the heat-throttling section which adjoins the contact section with the NTC resistance element, ensures only slow
  • the heat-restricting portion adjacent to the NTC-resistance element is preferably formed as a meander-shaped path of reduced cross-section.
  • the electrical conductivity remains unaffected.
  • the heat dissipation is improved over the increased track length in a relatively small space.
  • connection side Heat flow towards the connection side and electrical connection cable guaranteed.
  • the heat flow to the respective connection side can be reduced to a minimum, both via the heat-conducting section and via the connecting element.
  • the heat from the NTC resistance element can be transferred via the
  • Heat-restricting section and the connecting element are derived to the environment.
  • connection portion Terminal side of each formed a connection portion which is arranged on the carrier layer and is part of the electrically conductive layer on the carrier layer. At the connection section is the respective electrical connection line. The terminal portion adjacent to the
  • Heat-restricting portion is advantageously formed integrally therewith, whereas the opposite terminal portion may also consist of the same electrically conductive material, but is formed separately from the contact portion and is electrically coupled via the connecting element with the NTC resistor element.
  • the terminal portions, the contact portion and the heat-throttling portion are preferably made of made of the same electrically conductive material.
  • As a material for the electrically conductive layer on the carrier layer is, for example, copper into consideration.
  • the carrier layer is made of an electrically insulating material.
  • the connecting element via which the electrically conductive contact between the NTC resistance element and the terminal side of the resistance module is produced, is formed as a contact clip, which rests on the NTC resistance element and points to the adjacent connection side.
  • Connecting portion is an area of the connecting element on the
  • Connection portion and is in particular cohesively with the
  • Connected connecting portion for example by soldering.
  • Achieved heat-sealing portion which is part of the electrically conductive layer and extends to the opposite terminal side.
  • Carrier layer on the NTC resistive element side facing away from another electrically conductive layer is preferably composed of a plurality of individual sections which are not connected to each other, wherein each individual section is assigned to a section on the side having the NTC resistance element.
  • each individual section is assigned to a section on the side having the NTC resistance element.
  • the heat-restricting section is assigned no or only a partially overlapping individual section on the opposite side.
  • the electrically conductive layer on the opposite side improves heat dissipation from the resistor assembly.
  • the heat-conducting portion is formed in the form of one or more recesses in an electrically conductive plate of the electrically conductive layer. This plate can in particular be integral with the contact section as well
  • connection portion optionally be formed with a connection portion, wherein only in the region of the heat-throttling section, the recess or recesses for implementing a reduced heat flow are introduced.
  • two or more than two NTC resistor elements arranged in parallel are arranged on the resistor assembly.
  • Each NTC resistance element is located on a contact portion, wherein each contact portion has a heat-throttling portion and a connection member to the connection side.
  • Heat-throttling sections and the electrically conductive connecting elements are constructed the same. It can be advantageous to have common connection sections for the two or more heat-conducting sections on the one hand and
  • the resistor assembly on two separate carrier layers, which are each provided with at least one electrically conductive layer.
  • the carrier layers and the electrically conductive layers arranged thereon are arranged mirrored to one another, such that between the electrically conductive layers
  • At least one NTC resistor element is arranged.
  • This embodiment has the advantage that the two carrier layers with the electrically conductive layer can be made identical in construction and only by the mirrored arrangement of the two carrier layers with the electrically conductive layers, including intermediate NTC resistor element, the resistor assembly is formed. Further advantages and expedient embodiments can be taken from the further claims, the description of the figures and the drawings. Show it:
  • 1 is a schematically illustrated starting device with an NTC resistor element in the circuit of the starting device
  • FIG. 2 is a plan view of a resistor assembly with an NTC resistor element
  • Fig. 4 is a perspective view of the carrier layer and the electrical
  • FIG. 7 is a perspective detail view of a connecting element of
  • Fig. 10 is a part of a resistor assembly in another
  • Fig. 11 is a resistance assembly, which is composed of two parts of FIG. 10 in a mirrored manner.
  • a starting device 1 for starting an internal combustion engine is shown in a schematic manner.
  • the starting device 1 has an electrical device, which is an electromagnetic starter relay 2a for adjusting the starter pinion and an electric starter motor 2b for
  • the electrical device 2 is located in a circuit 3, which is part of a vehicle electrical system 4 of a motor vehicle, wherein in the electrical system 4 more consumers 5, 6 are.
  • the electrical system 4 is powered by a battery 7, which provides a battery voltage U.
  • the battery 7 has an internal resistance F.
  • the line resistance in the electrical system 4 is marked with letter.
  • the circuit 3 in which the electrical device 2 a, 2 b of the
  • Starting device 1 is arranged, is closed by a switch 8, which is in particular the ignition lock in the vehicle.
  • Circuit 3 is an NTC resistor element 9, whose electrical resistance decreases with increasing temperature.
  • NTC material for the NTC resistor element 9 is also a CT R material into consideration, which is characterized by a modified compared to the NTC material characteristic, but in principle has the same temperature-dependent resistance behavior.
  • the NTC resistor element ensures that when starting the starting device due to the increased electrical resistance in the NTC resistor element, the current I in the circuit is limited.
  • FIG. 2 shows a resistor assembly 10 into which an NTC
  • the resistor assembly 10 has two opposite terminal sides, at which the resistor assembly is contacted via a respective electrode 11, 12 for integration into the
  • the resistor assembly 10 comprises a carrier layer 13 of an electrically insulating material, for example of ceramic, on which an electrically conductive layer 14 is composed of a plurality of sections 15, 16, 17, 18 is composed (see also Fig. 4).
  • the electrically conductive layer 14 is made of copper, for example.
  • a contact portion 15 of the electrically conductive layer 14 is a carrier of the NTC resistance element 9, which is plate-shaped and rests flat on the rectangular contact portion 15.
  • Adjoining the contact section 15 is a heat-conducting section 16 of the electrically conductive layer, which is designed as a meander-shaped path with a reduced cross-section and the centrally arranged contact section 15 with an edge-side
  • Connecting portion 17 connects electrically, which forms a connection side of the resistor assembly 10. On the rectangular connection portion 17, the electrode 11 is located.
  • the heat-throttling section 16 has the task of throttling the heat flow, starting from the NTC resistance element 9, in the direction of the connection side.
  • a further connection side is located on the side opposite the connection section 17 on the carrier layer 13 and is designed as a likewise rectangular connection section 18, on which the second electrode 12 rests.
  • the terminal portion 18 is not directly connected to the adjacent contact portion 15. Rather, the electrical connection via a connecting element 19 which rests flat on the top of the NTC resistor element 9 and the section
  • Connection section 18 contacted.
  • Fig. 5 the bottom of the resistor assembly 10 is shown, which is opposite to the side with the NTC resistor element. Also on this side is located on the carrier layer 13, an electrically conductive layer 20, which is preferably formed of the same material, in particular copper as the electrically conductive layer 14 with the NTC resistor element.
  • the electrically conductive layer 20 has three respective rectangular sections 21, 22, 23, which are assigned to the different sections on the opposite side.
  • FIG. 6 shows the direct assignment of the different sections of the two electrically conductive layers 14 and 20 arranged on different sides of the carrier layer.
  • the carrier layer itself is not shown.
  • the contact portion 15 of the upper layer is the portion 21 of associated with lower layer, wherein the portion 21 still partially extends into the region of the heat-throttling section 16.
  • the peripheral terminal portions 17 and 18 on the top are also provided.
  • a connecting element 19 is shown in a perspective view, via which the NTC resistor element is electrically connected to the peripheral terminal portion.
  • the connecting element 19 has a first, plate-shaped portion 19a, which rests flat on the NTC resistance element 9 directly.
  • the section 19a is adjoined by a further section 19b, which has a reduced cross-sectional area and functions as a thermal throttle point in order to prevent or at least reduce heat propagation, starting from the NTC resistance element, in the direction of the edge-side connection point.
  • Adjoining the throttle point 19b is another section 19c, which rests as a contact section on the edge-side connection section of the electrically conductive layer.
  • a resistor assembly 10 is shown in a variant in which the heat-throttling section 16 of the electrically conductive layer 14 is designed in different ways, whereas the other components and sections that of the first embodiment
  • the heat-throttling section 16 is plate-shaped and provided with a total of three rectangular recesses 24, which are parallel to the edge of the NTC-resistance element 9 at the middle
  • Heat-restricting section 16 and the edge-side connection section 17 form a common contact layer with a rectangular outer contour and with the aforementioned recesses 14 in the region of the heat-conducting section 16 in order to control the heat flow from the NTC-resistance element 9
  • FIG. 9 shows an exemplary embodiment with a resistance assembly 10, in which two separate NTC resistance elements 9 are arranged in parallel.
  • the electrically conductive layer 14 on top of the Carrier layer 13 comprises two contact sections 15a, 15b arranged in parallel, to each of which a heat-conducting section 16a, 16b is connected, which are connected to an edge-side connection section 17.
  • On the opposite side is also an edge-side terminal portion 18; in each case only one edge-side connection section 17 or 18 is provided.
  • NTC resistance elements 9 may be provided in the resistance assembly 10.
  • FIGS. 10 and 11 show a further exemplary embodiment with a resistance unit 10 with an NTC resistance element 9.
  • FIG. 10 shows a side of the resistor assembly 10 which is duplicated and placed in a mirrored manner to form the resistor assembly 10 shown in FIG.
  • One half each of the resistor assembly 10 consists of the carrier layer 13 with the electrically conductive layer 14 arranged thereon, which comprises the contact section 15 for the NTC resistance element 9, the heat-conducting section 16 and the peripheral connection section 17, which is contacted by the electrode 11 ,
  • two such halves are placed in a mirror-inverted manner on each other, wherein only a common NTC resistance element 9 is arranged in between, which is contacted both at the bottom and the top of a respective contact portion 15.
  • FIG. 11 further shows that the outer side of each
  • Carrier layer 13 having the additional conductive layer with the sections 21 and 23.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Details Of Resistors (AREA)
  • Resistance Heating (AREA)

Abstract

Dispositif démarreur pour un moteur à combustion interne, qui comporte dans le circuit électrique une unité structurale de résistance pourvue d'un élément de résistance à coefficient de température négatif (NTC) qui repose sur un segment de contact adjacent à un segment de transmission lente de chaleur.
PCT/EP2016/079744 2015-12-17 2016-12-05 Dispositif démarreur équipé d'une résistance ntc pour un moteur à combustion interne WO2017102403A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201680071288.9A CN108603479B (zh) 2015-12-17 2016-12-05 用于内燃机的配备有ntc电阻的起动装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015225584.0A DE102015225584A1 (de) 2015-12-17 2015-12-17 Startvorrichtung für eine Brennkraftmaschine
DE102015225584.0 2015-12-17

Publications (1)

Publication Number Publication Date
WO2017102403A1 true WO2017102403A1 (fr) 2017-06-22

Family

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Application Number Title Priority Date Filing Date
PCT/EP2016/079744 WO2017102403A1 (fr) 2015-12-17 2016-12-05 Dispositif démarreur équipé d'une résistance ntc pour un moteur à combustion interne

Country Status (3)

Country Link
CN (1) CN108603479B (fr)
DE (1) DE102015225584A1 (fr)
WO (1) WO2017102403A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018033282A1 (fr) * 2016-08-15 2018-02-22 Seg Automotive Germany Gmbh Dispositif démarreur équipé d'une résistance ctn pour un moteur à combustion interne

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016218148A1 (de) * 2016-09-21 2018-03-22 Seg Automotive Germany Gmbh Starteinrichtung für eine Brennkraftmaschine eines Kraftfahrzeugs
DE102019217690A1 (de) * 2019-11-18 2021-05-20 Mahle International Gmbh Heizmodul

Citations (7)

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Publication number Priority date Publication date Assignee Title
DE4122252A1 (de) 1990-07-18 1992-01-23 Volkswagen Ag Starteinrichtung fuer eine brennkraftmaschine
DE4106247C1 (en) 1991-02-28 1992-04-30 Robert Bosch Gmbh, 7000 Stuttgart, De Starter circuit for IC engine - incorporates NTC resistor in parallel with relay to inhibit starting at very low temp.
WO2004093102A1 (fr) * 2003-04-16 2004-10-28 Robert Bosch Gmbh Moteur electrique
DE102007036789A1 (de) 2007-08-03 2009-02-05 Robert Bosch Gmbh Startvorrichtung mit Temperaturkompensation
US20110068890A1 (en) * 2008-03-12 2011-03-24 University Of Electronic Science And Technology Of China Ntc thin film thermal resistor and a method of producing it
WO2012059401A2 (fr) * 2010-11-03 2012-05-10 Epcos Ag Élément multicouche en céramique et procédé de fabrication d'un élément multicouche en céramique
DE102014102042A1 (de) * 2014-02-18 2015-08-20 Epcos Ag NTC-Bauelement und Verfahren zu dessen Herstellung

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DE386626C (de) * 1920-04-23 1923-12-20 Gen Electric Verfahren zur Herstellung von elektrischen Widerstaenden aus sproedem, nicht formbarem Material
US3477055A (en) * 1967-12-22 1969-11-04 Gen Motors Corp Thermistor construction
JPH10261507A (ja) * 1997-03-18 1998-09-29 Murata Mfg Co Ltd サーミスタ素子
AU8374698A (en) * 1997-06-27 1999-01-19 Patrick H. Potega Apparatus for monitoring temperature of a power source
CN102779595B (zh) * 2011-05-12 2015-05-20 聚鼎科技股份有限公司 过电流与过温度保护元件
DE102012215338A1 (de) * 2012-08-29 2014-03-06 Robert Bosch Gmbh Startvorrichtung für eine Brennkraftmaschine
JP5896157B2 (ja) * 2012-09-06 2016-03-30 三菱マテリアル株式会社 温度センサ
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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4122252A1 (de) 1990-07-18 1992-01-23 Volkswagen Ag Starteinrichtung fuer eine brennkraftmaschine
DE4106247C1 (en) 1991-02-28 1992-04-30 Robert Bosch Gmbh, 7000 Stuttgart, De Starter circuit for IC engine - incorporates NTC resistor in parallel with relay to inhibit starting at very low temp.
WO2004093102A1 (fr) * 2003-04-16 2004-10-28 Robert Bosch Gmbh Moteur electrique
DE102007036789A1 (de) 2007-08-03 2009-02-05 Robert Bosch Gmbh Startvorrichtung mit Temperaturkompensation
US20110068890A1 (en) * 2008-03-12 2011-03-24 University Of Electronic Science And Technology Of China Ntc thin film thermal resistor and a method of producing it
WO2012059401A2 (fr) * 2010-11-03 2012-05-10 Epcos Ag Élément multicouche en céramique et procédé de fabrication d'un élément multicouche en céramique
DE102014102042A1 (de) * 2014-02-18 2015-08-20 Epcos Ag NTC-Bauelement und Verfahren zu dessen Herstellung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018033282A1 (fr) * 2016-08-15 2018-02-22 Seg Automotive Germany Gmbh Dispositif démarreur équipé d'une résistance ctn pour un moteur à combustion interne

Also Published As

Publication number Publication date
DE102015225584A1 (de) 2017-06-22
CN108603479A (zh) 2018-09-28
CN108603479B (zh) 2020-02-07

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